Here are some examples of Oracle alter table syntax to modify data columns and note that you can add constraints like NOT NULL: ALTER TABLE customer MODIFY (cust_name varchar2(100) not null, cust_hair_color varchar2(20)) ;
Did Sir Isaac Newton write any books? His best known book is Principia (Philosophiae Naturalis Principia Mathematica) published in 1687; which includes his laws of motion. Edit
(1643-1727). Sir Isaac Newton is best known for explaining how gravity works. Newton was born in Woolsthorpe, England on January 4, 1643. As a child, he loved to make model windmills and other mechanical toys, but he did badly in school and even worse running the family estate.At the University of Cambridge, both the students and professors disliked him because of the chip on his shoulder.ewton was born in Woolsthorpe, England on January 4, 1643. As a child, he loved to make model windmills and other mechanical toys, but he did badly in school and even worse running the family estate. At the University of Cambridge, both the students and professors disliked him because of the chip on his shoulder.